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Submission #208741

# Submission time Handle Problem Language Result Execution time Memory
208741 2020-03-12T06:12:52 Z YJU Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 247248 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pll;
typedef long double ld;
const ll MOD=1e9+7;
const ll N=3e4+5;
const ll R=1e3+5;
const ld pi=3.14159265359;
const ll INF=(1LL<<60);
#define REP(i,n) for(ll i=0;i<n;i++)
#define REP1(i,n) for(ll i=1;i<=n;i++)
#define pb push_back
#define mp make_pair
#define X first
#define Y second
#define setp setprecision
#define lwb lower_bound
#define SZ(a) (ll)a.size()

ll n,m,b[N],p[N],vis[N],ti,x,y,dis[N],ch[N][R];
vector<ll> v[N];
vector<pll> ed[N];
priority_queue<pll,vector<pll>,greater<pll> > pq;

int main(){
	ios_base::sync_with_stdio(0);cin.tie(0);
	cin>>n>>m;
	REP(i,m){
		cin>>b[i]>>p[i];
		v[b[i]].pb(p[i]);
	}
	REP(i,N)sort(v[i].rbegin(),v[i].rend()),v[i].resize(unique(v[i].begin(),v[i].end())-v[i].begin());
	REP(i,N)dis[i]=INF;
	pq.push(mp(0,b[0]));
	while(SZ(pq)){
		x=pq.top().Y;y=pq.top().X;pq.pop();
		if(dis[x]<=y)continue;
		dis[x]=y;
		++ti;
		for(ll step:v[x]){
			for(ll j=x+step,tt=1;j<n;j+=step,++tt){
				if(step<R&&ch[j][step])break;
				if(vis[j]==ti)continue;
				if(step<R)ch[j][step]=1;
				vis[j]=ti;
				if(tt+dis[x]<dis[j])pq.push(mp(tt+dis[x],j));
			}
			for(ll j=x-step,tt=1;j>=0;j-=step,++tt){
				if(step<R&&ch[j][step])break;
				if(vis[j]==ti)continue;
				if(step<R)ch[j][step]=1;
				vis[j]=ti;
				if(tt+dis[x]<dis[j])pq.push(mp(tt+dis[x],j));
			}
		}
		if(dis[b[1]]!=INF){cout<<dis[b[1]]<<"\n";return 0;}
	}
	cout<<(dis[b[1]]==INF?-1:dis[b[1]])<<"\n";
	return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2040 KB Output is correct
2 Correct 6 ms 2040 KB Output is correct
3 Correct 6 ms 2040 KB Output is correct
4 Correct 6 ms 2040 KB Output is correct
5 Correct 6 ms 2044 KB Output is correct
6 Correct 6 ms 2040 KB Output is correct
7 Correct 6 ms 2040 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2040 KB Output is correct
2 Correct 6 ms 2040 KB Output is correct
3 Correct 5 ms 2040 KB Output is correct
4 Correct 6 ms 2040 KB Output is correct
5 Correct 6 ms 2040 KB Output is correct
6 Correct 6 ms 2040 KB Output is correct
7 Correct 6 ms 2040 KB Output is correct
8 Correct 5 ms 2168 KB Output is correct
9 Correct 6 ms 2168 KB Output is correct
10 Correct 6 ms 2424 KB Output is correct
11 Correct 7 ms 2552 KB Output is correct
12 Correct 6 ms 2424 KB Output is correct
13 Correct 6 ms 2424 KB Output is correct
14 Correct 6 ms 2552 KB Output is correct
15 Correct 7 ms 2552 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2040 KB Output is correct
2 Correct 5 ms 2040 KB Output is correct
3 Correct 6 ms 2040 KB Output is correct
4 Correct 5 ms 2040 KB Output is correct
5 Correct 6 ms 2040 KB Output is correct
6 Correct 6 ms 2040 KB Output is correct
7 Correct 6 ms 2040 KB Output is correct
8 Correct 6 ms 2168 KB Output is correct
9 Correct 6 ms 2168 KB Output is correct
10 Correct 6 ms 2424 KB Output is correct
11 Correct 6 ms 2424 KB Output is correct
12 Correct 6 ms 2428 KB Output is correct
13 Correct 6 ms 2424 KB Output is correct
14 Correct 7 ms 2552 KB Output is correct
15 Correct 6 ms 2552 KB Output is correct
16 Correct 6 ms 2040 KB Output is correct
17 Correct 10 ms 6776 KB Output is correct
18 Correct 6 ms 2040 KB Output is correct
19 Correct 6 ms 2168 KB Output is correct
20 Correct 12 ms 10232 KB Output is correct
21 Correct 6 ms 2040 KB Output is correct
22 Correct 6 ms 2040 KB Output is correct
23 Correct 12 ms 10232 KB Output is correct
24 Correct 16 ms 13816 KB Output is correct
25 Correct 12 ms 10748 KB Output is correct
26 Correct 13 ms 10232 KB Output is correct
27 Correct 13 ms 11388 KB Output is correct
28 Correct 17 ms 14200 KB Output is correct
29 Correct 17 ms 11128 KB Output is correct
30 Correct 17 ms 10748 KB Output is correct
31 Correct 15 ms 10872 KB Output is correct
32 Correct 15 ms 11128 KB Output is correct
33 Correct 26 ms 12024 KB Output is correct
34 Correct 21 ms 12140 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2040 KB Output is correct
2 Correct 6 ms 2040 KB Output is correct
3 Correct 5 ms 2040 KB Output is correct
4 Correct 6 ms 2040 KB Output is correct
5 Correct 6 ms 2040 KB Output is correct
6 Correct 5 ms 2040 KB Output is correct
7 Correct 6 ms 2040 KB Output is correct
8 Correct 6 ms 2172 KB Output is correct
9 Correct 6 ms 2168 KB Output is correct
10 Correct 6 ms 2424 KB Output is correct
11 Correct 6 ms 2424 KB Output is correct
12 Correct 6 ms 2424 KB Output is correct
13 Correct 7 ms 2424 KB Output is correct
14 Correct 6 ms 2552 KB Output is correct
15 Correct 7 ms 2552 KB Output is correct
16 Correct 6 ms 2040 KB Output is correct
17 Correct 10 ms 6776 KB Output is correct
18 Correct 6 ms 2040 KB Output is correct
19 Correct 6 ms 2040 KB Output is correct
20 Correct 15 ms 10236 KB Output is correct
21 Correct 7 ms 2040 KB Output is correct
22 Correct 6 ms 2040 KB Output is correct
23 Correct 12 ms 10232 KB Output is correct
24 Correct 15 ms 13816 KB Output is correct
25 Correct 13 ms 10744 KB Output is correct
26 Correct 12 ms 10232 KB Output is correct
27 Correct 12 ms 11384 KB Output is correct
28 Correct 16 ms 14328 KB Output is correct
29 Correct 19 ms 11124 KB Output is correct
30 Correct 14 ms 10744 KB Output is correct
31 Correct 15 ms 10872 KB Output is correct
32 Correct 14 ms 11128 KB Output is correct
33 Correct 23 ms 12152 KB Output is correct
34 Correct 21 ms 12020 KB Output is correct
35 Correct 26 ms 15088 KB Output is correct
36 Correct 11 ms 8184 KB Output is correct
37 Correct 28 ms 19956 KB Output is correct
38 Correct 27 ms 19188 KB Output is correct
39 Correct 13 ms 3448 KB Output is correct
40 Correct 19 ms 12024 KB Output is correct
41 Correct 24 ms 17524 KB Output is correct
42 Correct 17 ms 10872 KB Output is correct
43 Correct 18 ms 12152 KB Output is correct
44 Correct 18 ms 11036 KB Output is correct
45 Correct 70 ms 18148 KB Output is correct
46 Correct 66 ms 18148 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2040 KB Output is correct
2 Correct 5 ms 2040 KB Output is correct
3 Correct 6 ms 2040 KB Output is correct
4 Correct 6 ms 2040 KB Output is correct
5 Correct 6 ms 2040 KB Output is correct
6 Correct 6 ms 2040 KB Output is correct
7 Correct 6 ms 2040 KB Output is correct
8 Correct 6 ms 2168 KB Output is correct
9 Correct 5 ms 2168 KB Output is correct
10 Correct 6 ms 2424 KB Output is correct
11 Correct 6 ms 2424 KB Output is correct
12 Correct 6 ms 2424 KB Output is correct
13 Correct 6 ms 2424 KB Output is correct
14 Correct 7 ms 2552 KB Output is correct
15 Correct 7 ms 2552 KB Output is correct
16 Correct 6 ms 2040 KB Output is correct
17 Correct 10 ms 6776 KB Output is correct
18 Correct 6 ms 2040 KB Output is correct
19 Correct 6 ms 2168 KB Output is correct
20 Correct 12 ms 10232 KB Output is correct
21 Correct 6 ms 2040 KB Output is correct
22 Correct 6 ms 2040 KB Output is correct
23 Correct 12 ms 10232 KB Output is correct
24 Correct 16 ms 13816 KB Output is correct
25 Correct 13 ms 10744 KB Output is correct
26 Correct 12 ms 10232 KB Output is correct
27 Correct 14 ms 11388 KB Output is correct
28 Correct 15 ms 14200 KB Output is correct
29 Correct 18 ms 11128 KB Output is correct
30 Correct 14 ms 10744 KB Output is correct
31 Correct 15 ms 11000 KB Output is correct
32 Correct 16 ms 11128 KB Output is correct
33 Correct 22 ms 12024 KB Output is correct
34 Correct 21 ms 12020 KB Output is correct
35 Correct 24 ms 15084 KB Output is correct
36 Correct 11 ms 8184 KB Output is correct
37 Correct 29 ms 19948 KB Output is correct
38 Correct 28 ms 19188 KB Output is correct
39 Correct 13 ms 3576 KB Output is correct
40 Correct 20 ms 12024 KB Output is correct
41 Correct 24 ms 17524 KB Output is correct
42 Correct 17 ms 11000 KB Output is correct
43 Correct 18 ms 12152 KB Output is correct
44 Correct 17 ms 10908 KB Output is correct
45 Correct 67 ms 18148 KB Output is correct
46 Correct 65 ms 18148 KB Output is correct
47 Correct 100 ms 103008 KB Output is correct
48 Correct 12 ms 2808 KB Output is correct
49 Correct 12 ms 2808 KB Output is correct
50 Correct 10 ms 2680 KB Output is correct
51 Correct 169 ms 188520 KB Output is correct
52 Correct 166 ms 190056 KB Output is correct
53 Correct 97 ms 124784 KB Output is correct
54 Correct 47 ms 63096 KB Output is correct
55 Correct 60 ms 83060 KB Output is correct
56 Correct 94 ms 124656 KB Output is correct
57 Correct 86 ms 122212 KB Output is correct
58 Correct 93 ms 125520 KB Output is correct
59 Correct 100 ms 126708 KB Output is correct
60 Correct 98 ms 126712 KB Output is correct
61 Correct 101 ms 134772 KB Output is correct
62 Correct 174 ms 226168 KB Output is correct
63 Correct 536 ms 247248 KB Output is correct
64 Correct 559 ms 228800 KB Output is correct
65 Correct 905 ms 226120 KB Output is correct
66 Execution timed out 1086 ms 244168 KB Time limit exceeded
67 Halted 0 ms 0 KB -